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Official data from INPI

SUPORTE DE ALUMINA PARA CATALISADORES DE METAIS NOBRES, PROCESSO DE SUA PREPARAÇÃO E CATALISADORES DE REFORMA.

Em AnáliseInvention Patent

Application data

Number

PI8401184

Type

Invention Patent

Filing

03/15/1984

Publication

10/23/1984

Progress at the INPI

Under appeal
  1. Filing03/15/84
  2. Publication10/23/84
  3. Examination12/02/86
  4. Refused02/06/90
  5. Grant
  6. In force

The application was refused by the INPI on 02/06/1990. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 05/09/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

American Cyanamid Company

US

See this company's full portfolio

Inventors

D. B. (pessoa física)

US

J. F. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

475.793 · 03/16/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Conhecimento de parecer técnico

#7.1

05/09/1989

RPI 968

Pedido de certificado de adição de invenção

#5.1

02/17/1987

RPI 852

Solicitação de exame técnico

#4.1

12/02/1986

RPI 841

Publicação do pedido de patente

#3.1

10/23/1984

RPI 731

Pedido de patente depositado

#2.1

05/29/1984

RPI 710

Indeferimento

#9.2

02/06/1990

RPI 1005

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